DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 83 | 439 | 392 | e260 | 856 | 311 | 246 | 910 | 427 | 466 | 62 | 23 |
2 | 65 | 498 | 368 | e250 | 1050 | 306 | 240 | 816 | 667 | 456 | 59 | 23 |
3 | 66 | 686 | 365 | e240 | 1170 | 303 | 282 | 745 | 551 | 352 | 53 | 22 |
4 | 76 | 656 | 351 | e230 | 978 | 284 | 379 | 690 | 506 | 314 | 49 | e20 |
5 | 1150 | 572 | 335 | e270 | 794 | 286 | 311 | 688 | 1020 | 287 | 46 | e20 |
6 | 1040 | 525 | 440 | e255 | 734 | 304 | 394 | 637 | 735 | 265 | 42 | e18 |
7 | 451 | 474 | 1750 | e245 | 683 | 281 | 334 | 580 | 754 | 257 | 49 | e18 |
8 | 301 | 472 | 1140 | e230 | 635 | 275 | 309 | 527 | 633 | 236 | 63 | e18 |
9 | 230 | 536 | 830 | e220 | 603 | 267 | 1590 | 492 | 980 | 226 | 60 | e17 |
10 | 191 | 2920 | 701 | e210 | 552 | 318 | 932 | 471 | 799 | 212 | 44 | e17 |
11 | 171 | 6120 | 631 | e200 | 586 | 287 | 665 | 452 | 897 | 195 | 39 | e17 |
12 | 150 | 3170 | 577 | e190 | e800 | 276 | 541 | 481 | 752 | 182 | 67 | e17 |
13 | 136 | 1460 | 541 | e180 | e600 | 290 | 479 | 1510 | 2110 | 174 | 116 | e17 |
14 | 129 | 1190 | 499 | e180 | e550 | 295 | 446 | 2790 | 3660 | 163 | 81 | e16 |
15 | 128 | 978 | 463 | e175 | e520 | 312 | 478 | 1530 | 2230 | 151 | 52 | e15 |
16 | 127 | 866 | 442 | e172 | e490 | 361 | 2080 | 1100 | 1070 | 141 | 40 | e15 |
17 | 1240 | 769 | 423 | e170 | e450 | 481 | 2380 | 1020 | 825 | 131 | 35 | e15 |
18 | 5050 | 700 | 409 | e170 | 417 | 462 | 1360 | 986 | 706 | 128 | 34 | 15 |
19 | 6380 | 661 | 386 | e170 | 403 | 380 | 1080 | 813 | 633 | 124 | 37 | 15 |
20 | 2530 | 602 | 351 | e170 | 382 | 352 | 907 | 732 | 578 | 125 | 43 | 17 |
21 | 1210 | 561 | 345 | e200 | 357 | 339 | 814 | 691 | 532 | 122 | 34 | 16 |
22 | 932 | 539 | 275 | e1900 | 339 | 319 | 774 | 887 | 495 | 106 | 31 | e15 |
23 | 766 | 518 | e295 | e4000 | 355 | 305 | 3740 | 752 | 476 | 93 | 30 | e14 |
24 | 678 | 468 | e305 | 3320 | 345 | 297 | 3630 | 654 | 468 | 84 | 80 | e14 |
25 | 612 | 457 | e320 | 1530 | 336 | 283 | 1560 | 594 | 433 | 100 | 138 | e13 |
26 | 554 | 438 | 326 | 1100 | 330 | 271 | 1190 | 545 | 387 | 78 | 58 | e13 |
27 | 505 | 412 | 303 | 1240 | 341 | 266 | 1070 | 509 | 367 | 73 | 41 | e22 |
28 | 548 | 399 | 290 | 2440 | 333 | 268 | 1190 | 480 | 566 | 105 | 34 | 352 |
29 | 532 | 395 | e260 | e1300 | --- | 266 | 1390 | 456 | 526 | 120 | 31 | 337 |
30 | 493 | 408 | e160 | 980 | --- | 254 | 1060 | 431 | 391 | 81 | 26 | 131 |
31 | 457 | --- | e190 | 871 | --- | 246 | --- | 420 | --- | 66 | 25 | --- |
TOTAL | 26981 | 28889 | 14463 | 23068 | 15989 | 9545 | 31851 | 24389 | 25174 | 5613 | 1599 | 1282 |
MEAN | 870 | 963 | 467 | 744 | 571 | 308 | 1062 | 787 | 839 | 181 | 51.6 | 42.7 |
MAX | 6380 | 6120 | 1750 | 4000 | 1170 | 481 | 3740 | 2790 | 3660 | 466 | 138 | 352 |
MIN | 65 | 395 | 160 | 170 | 330 | 246 | 240 | 420 | 367 | 66 | 25 | 13 |
CFSM | 2.01 | 2.23 | 1.08 | 1.72 | 1.32 | .71 | 2.46 | 1.82 | 1.94 | .42 | .12 | .10 |
IN. | 2.32 | 2.49 | 1.25 | 1.99 | 1.38 | .82 | 2.74 | 2.10 | 2.17 | .48 | .14 | .11 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 156 | 183 | 186 | 254 | 365 | 461 | 503 | 466 | 446 | 315 | 147 | 136 |
MAX | 1560 | 1189 | 1176 | 1265 | 1466 | 1752 | 1742 | 1829 | 1960 | 2967 | 1675 | 1222 |
(WY) | 1942 | 1978 | 1983 | 1969 | 1949 | 1979 | 1973 | 1996 | 1974 | 1982 | 1993 | 1970 |
MIN | 7.10 | 9.89 | 8.38 | 4.45 | 13.5 | 47.4 | 33.4 | 26.9 | 31.3 | 6.58 | 9.61 | 5.65 |
(WY) | 1938 | 1938 | 1964 | 1940 | 1989 | 1956 | 1956 | 1989 | 1940 | 1936 | 1936 | 1940 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1935 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 254137 | 208843 | ||||
ANNUAL MEAN | 696 | 572 | 301 | |||
HIGHEST ANNUAL MEAN | 1002 | 1993 | ||||
LOWEST ANNUAL MEAN | 50.9 | 1989 | ||||
HIGHEST DAILY MEAN | 6380 | Oct 19 | 6380 | Oct 19 | 25800 | Jul 25 1993 |
LOWEST DAILY MEAN | 27 | Sep 9 | 13 A | Sep 25, 26 | 1.7 B | C |
ANNUAL SEVEN-DAY MINIMUM | 34 | Sep 3 | 15 | Sep 20 | 2.1 | Sep 17 1940 |
INSTANTANEOUS PEAK FLOW | 7280 | Oct 18 | 34600 D | Jul 8 1982 | ||
INSTANTANEOUS PEAK STAGE | 25.87 | Oct 18 | 32.65 B | Jul 25 1993 | ||
INSTANTANEOUS LOW FLOW | 14 E | Sep 21, 22 | ||||
ANNUAL RUNOFF (CFSM) | 1.61 | 1.32 | .70 | |||
ANNUAL RUNOFF (INCHES) | 21.88 | 17.98 | 9.47 | |||
10 PERCENT EXCEEDS | 1470 | 1140 | 668 | |||
50 PERCENT EXCEEDS | 501 | 368 | 129 | |||
90 PERCENT EXCEEDS | 70 | 36 | 18 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |